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Mechanism of Migration and Conversion of Nitrogen Fertilization in Groundwater

CHEN Jian-ping1,2,DING Ji-yu1,3,WU Zi-jie4   

  1. 1.College of Environmental Sciences and Engineering, Liaoning Technical University, Fuxin 123000,China;
    2.Center for Water System Security, University of Chinese Academy of Sciences, Beijing 100049, China;
    3.Dandong Port Group Co., Ltd., Dandong 118000,China;
    4.Liaoning Provincial Institute of Geological Exploration, Dalian 116100,China
  • Received:2013-10-05 Online:2015-02-01 Published:2015-02-06


By analysing main factors affecting the migration and conversion of ammonia-nitrite-nitrates in groundwater, we aim to provide theoretical basis for the prevention and control of agricultural non-point source nitrogenous pollution. Qianyanzhou test station in Jiangxi Province was selected as research object and experiment plots were divided. The groundwater table, ammonia-nitrite-nitrates, ferrum-manganese and pH value of groundwater in the research area were monitored in long term. Through data sorting, diagram analysis and SPSS software, we analysed the correlation among ammonia-nitrite-nitrates, total iron, manganese in filtering state and pH value. Results suggest that the groundwater in the study area has been affected by agricultural non-point nitrogenous pollution. Ferro-manganese in groundwater are apparently associated. Ammonium nitrogen and nitrite nitrogen are positively related with ferro-manganese. Total iron, manganese in filtering state, pH value, temperature and rainfall are the main impact factors of the transport and transformation of ammonia-nitrite-nitrates in the groundwater.

Key words: groundwater, pollution, conversion and transport of ammonia-nitrite-nitrates, impact factor, monitoring

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